IBM PCjr

Advanced POST Error Table (Part 4 of 4)
POST Error
Problem
Area
What To Do
Page
No beep.
ERROR 23XX
Cassette
or Serial
Replace system
board. Repeat
advanced POST.
If same error,
go to PIC
"Power."
4-020-1
No beep.
ERROR 24XX
Modem Replace internal
modem.
4-830-1
No beep.
ERROR 25XX
Cartridge Go to PIC
"Cartridge."
3-810-1
No beep.
ERROR 26XX
Diskette
drive
Replace
diskette-drive
adapter. Repeat
advanced POST.
Is same message,
go to PIC
"Diskette Drive."
4-600-1
Any ERROR
message not
listed in
this table
Service
plug
Ensure that
service plug is
good and installed
correctly. Repeat
advanced POST.
If same message,
replace system
board.
2-6
"X" can be any number.
Before replacing any item, ensure that all internal cables are
correctly connected. Treat replaced items with care. You may
be asked to reattach them.
Start 3-000-11